In SX Microcontrollers, SX/B Compiler and SX-Key Tool, stef wrote: Hi Bean For info. Found the problem wit serin. Command is working fine now. Problem was on 233. Pin 6 AND 9 need to be connected to GND. Not only 6. I think that is because off leck off sleep I made that mistake. After changing It was all working fine. Thanks in advance for the help. Project fror DTMF decoding is now finiched and testrunning fine. stef ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=193796#m193992 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)